Finding the Fourth Proportional to 989,628.24, 1,365,687 and 559,899.12
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Solution
The fourth proportional to 989,628.24, 1,365,687 and 559,899.12 is: 772,660.80
Step by Step Solution
- Step 1: Write the proportion equation
989,628.24 : 1,365,687 = 559,899.12 : x - Step 2: Convert to fraction form
989,628.24/1,365,687 = 559,899.12/x - Step 3: Cross multiply
989,628.24x = 1,365,687 × 559,899.12 - Step 4: Simplify right side
989,628.24x = 764,646,949,495.44 - Step 5: Solve for x
x = 764,646,949,495.44/989,628.24 - Step 6: Final answer
x = 772,660.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.